Be fully prepared for your next RV outing with Camco's Revolution Bayonet Elbow Fitting with 4-in-1 Adapter. The Revolution Swivel Translucent Bayonet Elbow Fitting with 4-in-1 Adapter takes the hassle out of connecting to dump stations. It features a built-in gasket for an odortight connection, with the elbow detaching from the 4-in-1 adapter to fit into the RV bumper. No clamps or tools needed - connects to lug fitting. Adapter fits 3", 3.5", and 4" NPT, as well as 3" slip sewer inlet. Perfect for taking the hassle out of your next RV trip.